<?php
/**
 * @author Mike Carruth <mikecarruth@gmail.com>
 * @version 1.8
 * @package Flogr
 * @link http://flogr.googlecode.com
 */

/**
 * Defines a required constant - quits if value not set.
 *
 * @param string name   Name of constant   
 * @param string value  Value for constant
 */
function REQUIRED_SETTING($name, $value) {
    if( !isset($value) || $value == '' ) {
        die( "<p>You need to set <b>'{$name}'</b> in <code>admin\config.php</code> before you can being using flogr.</p>" );
    }
    define($name, $value, true);
}

/**
 * Defines an optional constant - wrapper for define().
 *
 * @param string name   Name of constant   
 * @param string value  Value for constant
 */
function OPTIONAL_SETTING($name, $value) {
    define($name, $value, true);
}

/**
 * Decides which include path delimiter to use.  Windows should be using a semi-colon
 * and everything else should be using a colon.  If this isn't working on your system,
 * comment out this if statement and manually set the correct value into $path_delimiter.
 */
if (strpos(__FILE__, ':') !== false) {
    $path_delimiter = ';';
} else {
    $path_delimiter = ':';
}

ini_set('include_path',  
    dirname(__FILE__) . '/../include/PEAR' . $path_delimiter . 
    dirname(__FILE__) . '/../include/phpFlickr-2.1.0' . $path_delimiter . 
    dirname(__FILE__) . '/../admin' . $path_delimiter . 
    dirname(__FILE__) . '/../pages' . $path_delimiter . 
    ini_get('include_path'));

/**
 * Hide PHP warnings...nobody's perfect :)
 */
error_reporting(E_ERROR);

/**
 * Includes
 */
require_once('phpFlickr.php');
require_once('Log.php');
require_once('config.php');

/**
 * Create the flogr instance and let's get going
 */
if (!isset($flogr)) $flogr = new Flogr();
$flogr->run();

/**
 * The Flogr:: class is responsible for mapping requests to the appropriate 
 * handler page based on the type request parameter (ex 'index.php?type=photo')
 * and setting up logging.
 *
 * @author Mike Carruth <mikecarruth@gmail.com>
 * @package Flogr
 */
class Flogr
{
   /*
    * Maps request type to template page.
    *
    * @var array
    */    
   var $_pageMap = array(
      ''            => 'photo.php',
      'photo'       => 'photo.php',
      'recent'      => 'recent.php',
      'sets'        => 'sets.php',
      'tags'        => 'tags.php',
      'favorites'   => 'favorites.php',
      'about'       => 'about.php',
      'rss'         => 'rss.php'
   );

   /*
    * Maps flogr log levels to PEAR::LOG
    */
   var $_logLevels = array(
      FLOGR_LOG_NONE    => PEAR_LOG_NONE,
      FLOGR_LOG_ERR     => PEAR_LOG_ERR,
      FLOGR_LOG_WARNING => PEAR_LOG_WARNING,
      FLOGR_LOG_DEBUG   => PEAR_LOG_DEBUG
   );

   var $_logMask = PEAR_LOG_ALL;

   var $_logger = null;

   var $_logHandlers = array(
      'firebug'   => null,
   );

   function __construct() {

      $this->_logger = &Log::singleton('composite', '', '', null, $this->_logLevels[FLOGR_LOG_LEVEL]);
      $keys = array_keys( $this->_logHandlers );
      foreach( $keys as $key ) {
         $handler = &Log::singleton($key, '', '', null, $this->_logLevels[FLOGR_LOG_LEVEL]);
         $this->_logHandlers[$key] = $handler;
         $this->_logger->addChild($handler);
      }
   }

   function logInfo($string) {
      $this->_logger->info($string);
   }
   
   function logWarning($string) {
      $this->_logger->warning($string);
   }
   
   function logErr($string) {
      $this->_logger->err($string);
   }
   
   function logDebug($string) {
      $this->_logger->debug($string);
   } 
   
   function run() {
   	  if (defined('FLICKR_USER_ID')) {
   	  	if ( $_GET['type'] != 'rss' ) {
          include('header.php');
          include(SITE_THEME_PATH . 'header.php');   	  		
   	  	} 
   	  	
   	  	include($this->_pageMap[$_GET['type']]);
        include(SITE_THEME_PATH . $this->_pageMap[$_GET['type']]);
          
   	  	if ( $_GET['type'] != 'rss' ) {
        	include(SITE_THEME_PATH . 'footer.php');
          	include('footer.php');
   	  	}   	  		
   	  }
   }
}
?>
